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The last thing we do it to raise an episerver event with the UpdateNotification object.

_eventRegistry.Get(GlobalConstants.ContentEventRegistry.DigizuiteAssetChangeEventId).RaiseAsync(
                GlobalConstants.ContentEventRegistry.DigizuiteAssetChangeRaiserId, 

...

updateNotification, EventRaiseOption.RaiseBroadcast);

We also listning for these events and for AssetChanged we clear the in-memory cache and if the RaiserId is coming from another instance (broadcast) and the configuration “DeleteBlob” is true, then we delete the blobs and database entries for the notified assetid.

var digizuiteIntegrationEvent = _eventRegistry.Get(GlobalConstants.ContentEventRegistry.DigizuiteAssetChangeEventId);
digizuiteIntegrationEvent.Raised += DigizuiteIntegrationEvent_Raised;

As an developer you can also build you own logic around the notifications from Digizuite, as you can listening for the event by register to the events, just as we do above.